br 备份v4.0.9 失败

thread ‘main’ panicked at ‘invalid auto generated configuration file /tidb-data/tikv-20160/last_tikv.toml, err expected an equals, found a comma at line 207’, src/config.rs:2401:13
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace. 这不是 kv 配置有问题吗。